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Bass starts Sumatra workovers

Field optimisation work expected to result in capacity uplift of more than 700 bpd

Australian junior Bass Oil Ltd has started workover activities as part of its field optimisation work at the Tangai-Sukananti KSO in South Sumatra, Indonesia.

The Bunian-1 well was shut-in at the September to allow Bass to replace a down-hole pump which it claims was only operating at 30% efficiency.

It said Thursday that it had also started preparations or a pressure survey to be carried out at the Tangai-1 well this month.

While the work will affect output for October, Bass said it expected the operations to result in a capacity uplift of more than 700 barrels of oil per day.

Bass holds a 55% operated stake in the Tangai-Sukananti KSO which has a current production capacity of over 600 bpd, according to the company's website, and is estimated to hold 1.5 million barrels of proved plus probable reserves.

Gross output totalled 16,089 barrels of oil in September.